double gold vs hortensia

double gold and hortensia both are nouns.

Word	Noun	Adjective	Verb	Adverb
double gold	Yes	No	No	No
hortensia	Yes	No	No	No

As nouns, double gold and hortensia are synonyms defined as:

double gold and hortensia: very tall branching herb with showy much-doubled yellow flower heads

Other synonyms of double gold include golden glow, Rudbeckia laciniata hortensia.

double gold (noun)	hortensia (noun)
very tall branching herb with showy much-doubled yellow flower heads	deciduous shrub bearing roundheaded flower clusters opening green and aging to pink or blue
	very tall branching herb with showy much-doubled yellow flower heads